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<div class="subTitle">org.apache.arrow.flight</div>
<h2 title="Class PollInfo" class="title">Class PollInfo</h2>
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<li>org.apache.arrow.flight.PollInfo</li>
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<pre>public class <span class="typeNameLabel">PollInfo</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">A POJO representation of the execution of a long-running query.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#PollInfo-org.apache.arrow.flight.FlightInfo-org.apache.arrow.flight.FlightDescriptor-java.lang.Double-java.time.Instant-">PollInfo</a></span>(<a href="../../../../org/apache/arrow/flight/FlightInfo.html" title="class in org.apache.arrow.flight">FlightInfo</a>&nbsp;flightInfo,
<a href="../../../../org/apache/arrow/flight/FlightDescriptor.html" title="class in org.apache.arrow.flight">FlightDescriptor</a>&nbsp;flightDescriptor,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;progress,
<a href="https://docs.oracle.com/javase/8/docs/api/java/time/Instant.html?is-external=true" title="class or interface in java.time">Instant</a>&nbsp;expirationTime)</code>
<div class="block">Create a new PollInfo.</div>
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<td class="colFirst"><code>static <a href="../../../../org/apache/arrow/flight/PollInfo.html" title="class in org.apache.arrow.flight">PollInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#deserialize-java.nio.ByteBuffer-">deserialize</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;serialized)</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/time/Instant.html?is-external=true" title="class or interface in java.time">Instant</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#getExpirationTime--">getExpirationTime</a></span>()</code>
<div class="block">The expiration time of the query execution.</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../org/apache/arrow/flight/FlightDescriptor.html" title="class in org.apache.arrow.flight">FlightDescriptor</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#getFlightDescriptor--">getFlightDescriptor</a></span>()</code>
<div class="block">The FlightDescriptor that should be used to get further updates on this query.</div>
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<td class="colFirst"><code><a href="../../../../org/apache/arrow/flight/FlightInfo.html" title="class in org.apache.arrow.flight">FlightInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#getFlightInfo--">getFlightInfo</a></span>()</code>
<div class="block">The FlightInfo describing the result set of the execution of a query.</div>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#getProgress--">getProgress</a></span>()</code>
<div class="block">The progress of the query.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#serialize--">serialize</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flight/PollInfo.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>PollInfo</h4>
<pre>public&nbsp;PollInfo(<a href="../../../../org/apache/arrow/flight/FlightInfo.html" title="class in org.apache.arrow.flight">FlightInfo</a>&nbsp;flightInfo,
<a href="../../../../org/apache/arrow/flight/FlightDescriptor.html" title="class in org.apache.arrow.flight">FlightDescriptor</a>&nbsp;flightDescriptor,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;progress,
<a href="https://docs.oracle.com/javase/8/docs/api/java/time/Instant.html?is-external=true" title="class or interface in java.time">Instant</a>&nbsp;expirationTime)</pre>
<div class="block">Create a new PollInfo.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>flightInfo</code> - The FlightInfo (must not be null).</dd>
<dd><code>flightDescriptor</code> - The descriptor used to poll for more information; null if and only if query is finished.</dd>
<dd><code>progress</code> - Optional progress info in [0.0, 1.0].</dd>
<dd><code>expirationTime</code> - An expiration time, after which the server may no longer recognize the descriptor.</dd>
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<h4>getFlightInfo</h4>
<pre>public&nbsp;<a href="../../../../org/apache/arrow/flight/FlightInfo.html" title="class in org.apache.arrow.flight">FlightInfo</a>&nbsp;getFlightInfo()</pre>
<div class="block">The FlightInfo describing the result set of the execution of a query.
<p>This is always present and always contains all endpoints for the query execution so far,
not just new endpoints that completed execution since the last call to
<a href="../../../../org/apache/arrow/flight/FlightClient.html#pollInfo-org.apache.arrow.flight.FlightDescriptor-org.apache.arrow.flight.CallOption...-"><code>FlightClient.pollInfo(FlightDescriptor, CallOption...)</code></a>.</div>
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<h4>getFlightDescriptor</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../org/apache/arrow/flight/FlightDescriptor.html" title="class in org.apache.arrow.flight">FlightDescriptor</a>&gt;&nbsp;getFlightDescriptor()</pre>
<div class="block">The FlightDescriptor that should be used to get further updates on this query.
<p>It is present if and only if the query is still running. If present, it should be passed to
<a href="../../../../org/apache/arrow/flight/FlightClient.html#pollInfo-org.apache.arrow.flight.FlightDescriptor-org.apache.arrow.flight.CallOption...-"><code>FlightClient.pollInfo(FlightDescriptor, CallOption...)</code></a> to get an update.</div>
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<h4>getProgress</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&gt;&nbsp;getProgress()</pre>
<div class="block">The progress of the query.
<p>If present, should be a value in [0.0, 1.0]. It is not necessarily monotonic or non-decreasing.</div>
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<h4>getExpirationTime</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/time/Instant.html?is-external=true" title="class or interface in java.time">Instant</a>&gt;&nbsp;getExpirationTime()</pre>
<div class="block">The expiration time of the query execution.
<p>After this passes, the server may not recognize the descriptor anymore and the client will not
be able to track the query anymore.</div>
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<h4>serialize</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;serialize()</pre>
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<h4>deserialize</h4>
<pre>public static&nbsp;<a href="../../../../org/apache/arrow/flight/PollInfo.html" title="class in org.apache.arrow.flight">PollInfo</a>&nbsp;deserialize(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;serialized)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URISyntaxException.html?is-external=true" title="class or interface in java.net">URISyntaxException</a></pre>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URISyntaxException.html?is-external=true" title="class or interface in java.net">URISyntaxException</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</pre>
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<pre>public&nbsp;int&nbsp;hashCode()</pre>
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<h4>toString</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
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